CN213997199U - Anti-bending bearing mechanism for roller - Google Patents

Abstract

The utility model provides a roll is with preventing crooked bearing mechanism, relates to steel rolling machine parts technical field, and bearing mechanism includes that bearing frame and roller hold in the palm the subassembly, and the both ends of roll are rotated through setting up the bearing and are installed in the bearing frame, are formed with installation space between bearing frame and the roll, and installation space is equipped with a plurality of rollers along the axial of roll and holds in the palm the subassembly, and the roller holds in the palm and is formed with the roll cambered surface on the subassembly, and the roll cambered surface sets up with the laminating of roll surface, the utility model discloses a set up the roller and hold in the palm the subassembly, increase the strong point to the roll greatly for the area of contact of roll and roll roller subassembly increases, and the roller holds in the palm subassembly and provides the bearing capacity with the bearing frame combined action to the roll, reduces the possibility of roll bending deformation greatly.

Description

Anti-bending bearing mechanism for roller

Technical Field

The utility model relates to a steel rolling machine parts technical field, concretely relates to roll is with preventing crooked bearing mechanism.

Background

In a steel rolling machine, the stress bending of a roller is a permanent problem, and the current mainstream solutions include three, namely 1, thickening the roller and improving the rigidity of the roller, and the solution has the defects of high cost and limited effect (the method is used by a conventional two-roller mill); 2. the functions of extruding the steel strip and resisting bending deformation are separated, a coarse roller is used for resisting bending, the rigidity of the coarse roller is improved, a fine roller is used for extruding a strip material, the hardness of the fine roller is improved, and the rolling force of the fine roller can be reduced (the scheme is common in a four-roller mill); 3. the bending roller is supported by multiple points, the height of the supporting point is adjustable, the force causing the bending of the roller is offset by a reverse supporting force, the design is commonly found in a twelve-roller or twenty-roller rolling mill, and the defects are that the manufacturing cost is high, the maintenance difficulty is high, and the requirement on workers is high.

For the third solution, the existing method is to sleeve a support base and a support bearing on a mandrel of a roller, a bearing outer ring is in contact with the roller to provide support, the support base is in contact with a frame to provide reverse support force, and the mandrel is used for transmitting support force.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, the utility model aims to provide a roll is with preventing crooked bearing mechanism, through setting up the roller and holding in the palm the subassembly, the roller holds in the palm the subassembly and provides the bearing capacity with the bearing frame combined action to the roll, reduces roll bending deformation's possibility greatly, and concrete scheme is as follows:

the utility model provides a roll is with preventing bearing mechanism that bends, bearing mechanism includes the bearing frame and the roller holds in the palm the subassembly, the both ends of roll through set up the bearing rotate install in the bearing frame, be formed with installation space between bearing frame and the roll, installation space is followed the axial of roll is equipped with a plurality of the roller holds in the palm the subassembly, be formed with the roll cambered surface on the roller holds in the palm the subassembly, the roll cambered surface with the laminating setting of roll surface.

Further, the roller support assembly comprises a support block and rollers, a roller circular motion channel is formed in the support block, a plurality of rollers which are in contact with each other are placed in the roller circular motion channel in a matched mode, the axial direction of each roller is parallel to the axial direction of each roller, a roller bearing groove is further formed in the support block and communicated with the roller circular motion channel, and when the roller is located in the roller bearing groove, the roller is in contact with the rollers and rotates relative to the rollers.

Furthermore, a plurality of roller circulating motion channels are arranged in parallel at intervals, and a limiting bulge is formed between every two adjacent roller circulating motion channels.

Furthermore, the bearing block comprises a supporting base and a guide block, a contact arc surface matched with the roller is arranged on the guide block, two guide blocks which are symmetrically arranged are clamped on the supporting base, and grooves are respectively arranged on the supporting base and the guide blocks to form the roller circular motion channel in a matched manner.

Furthermore, the supporting base and the guide block are provided with guide sliding fillets at edges and corners in the roller circular motion channel.

Further, the roller support assembly further comprises a height adjusting block, a first inclined plane is formed on the height adjusting block, a second inclined plane is correspondingly formed on the bottom surface of the supporting base, and the first inclined plane is in contact with the second inclined plane.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) when the rolling mill does not work, the roller is positioned in the roller bearing groove, the surface of the roller is in contact with the contact arc surface of the guide block and the surface of the roller, the roller and the roller are in a static state, the roller rotates when the rolling mill works, the roller also rotates relative to the roller, the roller is sequentially pushed to circularly move in the roller circular motion channel after being stressed, and the downward force exerted by the steel strip on the roller is dispersed to the supporting base through the roller;

(2) by arranging the height adjusting block, the height adjusting block is inserted between the roller and the bearing seat or pulled out of the space between the roller and the bearing seat according to the distance between the roller and the bearing seat, the position of the bearing block is adjusted, the roller is pre-tightened under the natural unstressed state, the roller is ensured to be tightly attached to the guide block, the roller support assembly can provide most of bearing capacity during working, even the pre-tightening force can be properly increased during pre-tightening, the roller is reversely bent, the bending generated by the roller is counteracted during working, the effect is better, and in addition, the possibility of leakage of lubricating oil in a roller circular motion channel is also reduced;

(3) because each bearing block is correspondingly provided with a height adjusting block, the height of each bearing block is correspondingly adjusted according to the thickness of each part of the strip in the operation process, and the influence caused by the bending of the roller can be almost completely eliminated.

Drawings

Fig. 1 is an overall schematic view of an embodiment of the present invention;

FIG. 2 is a general schematic view of the roller carrier assembly of the present invention;

FIG. 3 is a schematic side view of the roller carrier assembly of the present invention;

FIG. 4 is a general schematic view of a support base according to the present invention;

fig. 5 is an overall schematic view of the middle guide block of the present invention.

Reference numerals: 1. a bearing seat; 01. an installation space; 2. a roller carrier assembly; 3. a bearing block; 31. a support base; 32. a guide block; 321. contacting the arc surface; 322. a groove; 4. a roller; 5. a roller circular motion channel; 6. a roller receiving groove; 7. a limiting bulge; 8. guiding and sliding round corners; 9. a height adjusting block; 10. a first inclined plane; 11. a second inclined plane; 12. and (4) rolling.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

As shown in FIG. 1, a roll is with supporting mechanism that prevents crooked is used for the rolling mill, and when roll 12 worked, roll 12 can receive the reaction force of strip and probably completely bend, through setting up supporting mechanism, roll 12 and supporting mechanism contact, the strong point increases, and area of contact increases, and supporting mechanism provides bigger bearing capacity for roll 12 makes roll 12 be in the stress balance state, reduces the possibility of roll 12 bending deformation.

Bearing mechanism includes bearing frame 1 and roller support subassembly 2, bearing frame 1 is the U font wholly, the both ends of roll 12 are rotated through setting up the bearing and are installed in bearing frame 1, be formed with installation space 01 between bearing frame 1 and the roll 12, installation space 01 is equipped with a plurality of roller support subassemblies 2 along the axial of roll 12, combined action supports roll 12 between the roller support subassembly 2, roll 12 during operation, for reducing roll 12 and the slip frictional force of roller support subassembly 2, be formed with the roll cambered surface on the roller support subassembly 2, the roll cambered surface sets up with the laminating of roll 12 surface, when roll 12 during operation, roll relatively between roll 12 and the roll cambered surface, frictional force is less, reduce the influence to roll 12 normal work.

Combine fig. 2 and fig. 3, it is concrete, roller support subassembly 2 includes bearing piece 3 and roller 4, roller circulatory motion passageway 5 has been seted up in the bearing piece 3, roller 4 that a plurality of mutual contacts set up is placed in the cooperation in the roller circulatory motion passageway 5, the axial of roller 4 and the axial parallel arrangement of roll 12, bearing piece 3 is last still to be seted up the roll of big or small shape and roll 12 adaptation and to accept recess 6, roll accepts recess 6 and the setting of roller circulatory motion passageway 5 intercommunication, for convenient the description, roller circulatory motion passageway 5 divides into inner loop passageway and extrinsic cycle passageway, the inner loop passageway is inside bearing piece 3, extrinsic cycle passageway and roll accept recess 6 intercommunication, and the extrinsic cycle passageway is whole circular-arcly, accept the coaxial setting of recess 6 with the roll. When the roller 12 is positioned in the roller bearing groove 6, the roller 12 is arranged in contact with the rollers 4 positioned in the outer circulation channel, the surface of each roller 4 forms a rolling arc surface, when the roller 12 works, the roller 12 and the rollers 4 rotate relatively, the rollers 4 are mutually pushed, and gradually enter the inner circulation channel from the outer circulation channel, and the like.

With reference to fig. 4 and 5, in order to form the roller circulation movement channel 5, the support block 3 includes a support base 31 and a guide block 32, a contact arc 321 adapted to the roller 12 is disposed on the guide block 32, the contact arc 321 is configured to be attached to the surface of the roller 12, two guide blocks 32 symmetrically disposed are fixedly disposed on the support base 31, so that the two contact arc 321 are concentrically disposed, and the two guide blocks 32 are disposed at intervals to form the roller receiving groove 6. The two adjacent side surfaces of the supporting base 31 and the guide block 32 are respectively provided with a groove 322, when the guide block 32 is fixedly mounted on the supporting base 31, the grooves 322 between the guide block 32 and the supporting base 31 are matched to form the internal circulation channel, and the grooves 322 on the supporting base 31 which are not shielded by the guide block 32 form an external circulation channel.

As shown in fig. 3, in order to realize smooth movement of the roller 4 in the roller circulation movement passage 5, the support base 31 and the guide block 32 are provided with the slide guiding fillet 8 at the edge and corner of the roller circulation movement passage 5, so as to reduce the possibility of blocking of the roller 4 in the movement process.

With reference to fig. 4 and 5, in this embodiment, two roller circulation movement channels 5 are arranged in parallel at intervals, and a limiting protrusion 7 is formed between two adjacent roller circulation movement channels 5, specifically, the guide block 32 and the support base 31 are both formed with a limiting protrusion 7, so as to avoid the rollers 4 between the adjacent roller circulation movement channels 5 from influencing each other.

Optimally, the roller support component 2 also comprises a height adjusting block 9, a first inclined plane 10 is formed on the height adjusting block 9, a second inclined plane 11 is correspondingly formed on the bottom surface of the supporting base 31, the first inclined plane 10 is arranged in contact with the second inclined plane 11, the roller 12 is pre-tightened under the natural unstressed state, the height adjusting block 9 is inserted between the roller 12 and the bearing block 1 or pulled out from the roller and the bearing block according to the distance between the roller 12 and the bearing block, the position of the bearing block 3 is adjusted, the roller 12 is ensured to be tightly attached to the guide block 32, the pre-tightening force can be properly increased even during pre-tightening, so that the roller 12 is reversely bent, the bending generated by the roller 12 is counteracted during the operation, the effect is better, when the roller 12 operates, the roller support assembly 2 can provide most of bearing capacity, the possibility of deformation and bending of the roller 12 is reduced, and the possibility of leakage of lubricating oil in the roller circulating motion channel 5 is also reduced.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. The utility model provides a roll is with preventing bearing mechanism that bends, its characterized in that, bearing mechanism includes bearing frame (1) and roller support subassembly (2), the both ends of roll (12) through setting up the bearing rotate install in bearing frame (1), bearing frame (1) with be formed with installation space (01) between roll (12), installation space (01) are followed the axial of roll (12) is equipped with a plurality of roller support subassembly (2), be formed with the roll cambered surface on the roller support subassembly (2), the roll cambered surface with roll (12) surface laminating setting.

2. The anti-bending supporting mechanism for the roller according to claim 1, wherein the roller support assembly (2) comprises a support block (3) and a roller (4), a roller circular motion channel (5) is formed in the support block (3), a plurality of rollers (4) which are arranged in a mutual contact mode are placed in the roller circular motion channel (5) in a matching mode, the axial direction of the roller (4) is parallel to the axial direction of the roller (12), a roller bearing groove (6) is further formed in the support block (3), the roller bearing groove (6) is communicated with the roller circular motion channel (5), and when the roller (12) is located in the roller bearing groove (6), the roller (12) and the roller (4) are arranged in a contact mode and rotate relative to each other.

3. The roll bending-proof supporting mechanism is characterized in that a plurality of roller circulating motion channels (5) are arranged in parallel at intervals, and a limiting bulge (7) is formed between every two adjacent roller circulating motion channels (5).

4. The anti-bending supporting mechanism for the roller according to claim 2, wherein the supporting block (3) comprises a supporting base (31) and a guide block (32), a contact arc surface (321) adapted to the roller (12) is formed on the guide block (32), two guide blocks (32) symmetrically arranged are clamped on the supporting base (31), and grooves (322) are respectively formed on the supporting base (31) and the guide block (32) to cooperate with each other to form the roller circulation motion channel (5).

5. The roll bending-proof supporting mechanism as claimed in claim 4, wherein the support base (31) and the guide block (32) are provided with a guide sliding fillet (8) at the corner in the roller circular motion channel (5).

6. The roll bending-proof supporting mechanism according to claim 4, wherein the roll supporting component (2) further comprises a height adjusting block (9), a first inclined plane (10) is formed on the height adjusting block (9), a second inclined plane (11) is correspondingly formed on the bottom surface of the supporting base (31), and the first inclined plane (10) is in contact with the second inclined plane (11).

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